Contract OI history
Back to COSTApr 16, 2027 EXPIRATION
COST $1000.00 Call
COST270416C01000000
Latest saved OI104Oct 23, 2026
Last change+8vs previous saved observation
Saved market days7Oct 09, 2026 onwards
All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.
| Market date | Open interest | Change vs prior saved day |
|---|---|---|
| Oct 23, 2026Viewing | 104 | +8 |
| Oct 21, 2026 | 96 | +41 |
| Oct 16, 2026 | 55 | -5 |
| Oct 15, 2026 | 60 | -1 |
| Oct 14, 2026 | 61 | 0 |
| Oct 13, 2026 | 61 | 0 |
| Oct 09, 2026 | 61 | No prior observation |